%--------------------------------------------------------------------------
%
%?deriv:?Computes?the?derivative?of?the?state?vector?for?the?normalized
%????????（GM=1）?Kepler‘s?problem?in?three?dimensions
%
%--------------------------------------------------------------------------
function?yp?=?deriv（t?y）

%?State?vector?derivative
r?=?y（1:3）;
v?=?y（4:6）;
yp?=?[v;-r/（（norm（r））^3）];

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????399??2017-01-13?23:02??Runge_Kutta_Nystrom\deriv.m
?????文件?????????745??2017-01-13?22:57??Runge_Kutta_Nystrom\EccAnom.m
?????文件?????????539??2016-10-22?07:51??Runge_Kutta_Nystrom\R_x.m
?????文件?????????537??2016-10-22?07:50??Runge_Kutta_Nystrom\R_y.m
?????文件?????????539??2016-10-22?07:50??Runge_Kutta_Nystrom\R_z.m
?????文件????????3685??2017-01-22?05:15??Runge_Kutta_Nystrom\Runge_Kutta_Nystrom.m
?????文件????????4248??2017-01-15?09:05??Runge_Kutta_Nystrom\Runge_Kutta_Nystrom_Integral_Curve.m
?????文件????????1576??2017-01-13?23:01??Runge_Kutta_Nystrom\State.m
?????文件?????????788??2017-01-22?17:14??Runge_Kutta_Nystrom\test_Runge_Kutta_Nystrom.m
?????文件?????????816??2017-01-22?17:15??Runge_Kutta_Nystrom\test_Runge_Kutta_Nystrom_Integral_Curve.m
?????文件????????1314??2017-01-22?04:25??license.txt